Arkansas

• Arkansas 05001
  816 taxa Open ↗
• Ashley 05003
  1,236 taxa Open ↗
• Baxter 05005
  1,025 taxa Open ↗
• Benton 05007
  1,372 taxa Open ↗
• Boone 05009
  697 taxa Open ↗
• Bradley 05011
  1,145 taxa Open ↗
• Calhoun 05013
  573 taxa Open ↗
• Carroll 05015
  1,039 taxa Open ↗
• Chicot 05017
  440 taxa Open ↗
• Clark 05019
  896 taxa Open ↗

Showing 2,801–2,850 of 3,277.

• 
  Solidago odora Aiton Native SOOD

  anisescented goldenrod · Asteraceae 34 counties
• 
  Solidago odora Aiton var. odora Native SOODO

  anisescented goldenrod · Asteraceae 34 counties
• 
  Solidago ouachitensis C.E.S. Taylor & R.J. Taylor Native SOOU

  Ouachita Mountain goldenrod · Asteraceae 2 counties
• 
  Solidago patula Muhl. ex Willd. Native SOPA2

  roundleaf goldenrod · Asteraceae 25 counties
• 
  Solidago patula Muhl. ex Willd. var. strictula Torr. & A. Gray Native SOPAS

  roundleaf goldenrod · Asteraceae 25 counties
• 
  Solidago petiolaris Aiton Native SOPE

  downy ragged goldenrod · Asteraceae 38 counties
• 
  Solidago petiolaris Aiton var. angusta (Torr. & A. Gray) A. Gray Native SOPEA

  downy ragged goldenrod · Asteraceae 38 counties
• 
  Solidago radula Nutt. Native SORA

  western rough goldenrod · Asteraceae 27 counties
• 
  Solidago rugosa Mill. Native SORU2

  wrinkleleaf goldenrod · Asteraceae 30 counties
• 
  Solidago rugosa Mill. ssp. aspera (Aiton) Cronquist Native SORUA

  wrinkleleaf goldenrod · Asteraceae 1 county
• 
  Solidago rugosa Mill. ssp. rugosa Native SORUR

  wrinkleleaf goldenrod · Asteraceae 1 county
• 
  Solidago rugosa Mill. ssp. rugosa var. rugosa Native SORUR2

  wrinkleleaf goldenrod · Asteraceae 1 county
• 
  Solidago speciosa Nutt. Native SOSP2

  showy goldenrod · Asteraceae 11 counties
• 
  Solidago speciosa Nutt. var. rigidiuscula Torr. & A. Gray Native SOSPR

  showy goldenrod · Asteraceae 4 counties
• 
  Solidago speciosa Nutt. var. speciosa Native SOSPS4

  showy goldenrod · Asteraceae 7 counties
• 
  Solidago tortifolia Elliott Native SOTO2

  twistleaf goldenrod · Asteraceae 4 counties
• 
  Solidago ulmifolia Muhl. ex Willd. Native SOUL2

  elmleaf goldenrod · Asteraceae 28 counties
• 
  Solidago ulmifolia Muhl. ex Willd. var. microphylla A. Gray Native SOULM

  elmleaf goldenrod · Asteraceae 3 counties
• 
  Solidago ulmifolia Muhl. ex Willd. var. palmeri Cronquist Native SOULP2

  Palmer's goldenrod · Asteraceae 8 counties
• 
  Solidago ulmifolia Muhl. ex Willd. var. ulmifolia Native SOULU2

  elmleaf goldenrod · Asteraceae 21 counties
• 
  Soliva sessilis Ruiz & Pav. Introduced SOSE2

  field burrweed · Asteraceae 15 counties
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 42 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 3 counties
• 
  Sorghastrum elliottii (C. Mohr) Nash Native SOEL3

  slender Indiangrass · Poaceae 9 counties
• 
  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae 40 counties
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 1 county
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 52 counties
• 
  Sparganium americanum Nutt. Native SPAM

  American bur-reed · Sparganiaceae 10 counties
• 
  Sparganium androcladum (Engelm.) Morong Native SPAN

  branched bur-reed · Sparganiaceae 5 counties
• 
  Spartina pectinata Bosc ex Link Native SPPE

  prairie cordgrass · Poaceae 10 counties
• 
  Spergula arvensis L. Introduced SPAR

  corn spurry · Caryophyllaceae 2 counties
• 
  Spermacoce glabra Michx. Native SPGL2

  smooth false buttonweed · Rubiaceae 32 counties
• 
  Spermolepis divaricata (Walter) Raf. ex Ser. Native SPDI2

  roughfruit scaleseed · Apiaceae 16 counties
• 
  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae 15 counties
• 
  Spermolepis inermis (Nutt. ex DC.) Mathias & Constance Native SPIN

  Red River scaleseed · Apiaceae 9 counties
• 
  Sphenoclea zeylanica Gaertn. Introduced SPZE

  chickenspike · Sphenocleaceae 23 counties
• 
  Sphenopholis filiformis (Chapm.) Scribn. Native SPFI

  longleaf wedgescale · Poaceae 1 county
• 
  Sphenopholis intermedia (Rydb.) Rydb. Native SPIN3

  slender wedgescale · Poaceae 1 county
• 
  Sphenopholis longiflora (Vasey) Hitchc. Native SPLO

  Texas wedgescale · Poaceae 1 county
• 
  Sphenopholis nitida (Biehler) Scribn. Native SPNI

  shiny wedgescale · Poaceae 16 counties
• 
  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae 44 counties
• 
  Sphenopholis pensylvanica (L.) Hitchc. Native SPPE3

  swamp wedgescale · Poaceae 1 county
• 
  Spigelia marilandica (L.) L. Native SPMA3

  woodland pinkroot · Loganiaceae 44 counties
• 
  Spiraea cantoniensis Lour. Introduced SPCA10

  Reeves' meadowsweet · Rosaceae 2 counties
• 
  Spiraea prunifolia Siebold & Zucc. Introduced SPPR

  bridalwreath spirea · Rosaceae 2 counties
• 
  Spiraea thunbergii Siebold ex Blume Introduced SPTH2

  Thunberg's meadowsweet · Rosaceae 1 county
• 
  Spiraea tomentosa L. Native SPTO2

  steeplebush · Rosaceae 5 counties
• ⚘
  Spiraea ×billiardii Hérincq (pro sp.) [douglasii × salicifolia] Native SPBI2

  spirea · Rosaceae 1 county
• ⚘
  Spiraea ×vanhouttei (Briot) Carrière [cantoniensis × trilobata] Introduced SPVA2

  spirea · Rosaceae 1 county
• 
  Spiranthes cernua (L.) Rich. Native SPCE

  nodding lady's tresses · Orchidaceae 39 counties